Cartridge having multipart projectiles.



-G.LUGER. CARTRIDGE HAVING MULTIPART PROJBCTILES.

Patented June 29, 1909.

FIE.5.

fzwezdai' n, Georgi we r PATENT omuon- GEORG LUGER, OF CHARLOTTENBURG,GERMANY.

CARTRIDGE HAVING MULTIPART PROJEOTILES.

Specification of Letters Patent.

PatentedJune 29, 1909.

Application filed March 5, 1906. Serial No. 304,276.

To all whom it may concern:

Beit known that I, GEORG LUGER, a sub of the Em )eror ofAustria-Hungary, resldlng at 2S eimarerstrasse, Charlottenburg, Germany,have invented new and useful Improvements in Cartridges HavingMult'ipart Projectiles, of which the following is a specification. v

This invention relates to that class of projectiles in which a'cartridgeisprovided with a plurality of bullets which take separate flights, thevariations in size'and weight of the respective bullets causing them totake different trajectories terminating in approximately the same Zoneand thus increasing the chance of hitting the target or other object.The objects-of the invention are to improve the construction of therespective bullets so as to insure their separate trajectories, and alsoto provide means for insuring the prompt separation of the bulletswithout creating a retarding force.

In the accompanying drawing, Figures 1 and 2 show vertical sectionalviews of two bullets designed to be contained in a cartridge case, theentire projectile being illustrated in Fig. 3. 3 Figs. 4 and 5 show avertical section and plan .view,respectively, of a modified form ofembodiment.

Referring'to the drawing a designates the forward bullet or projectileproper. This is designed to act u on being impelled from a firearmexactly li e the usual single bullet, being contained in a cartridgecase or shell 0 of the "ordinary or any preferred construction, and ofsuch form and weight as are best adapted to insure a precision shot.

The bullet is designed to rotate in its flight by reason of the twist inthe bore of the firearm. The bullet a is shown formed with a roundedextremity although it ma obviously be of ogival formation if desire Itsinner or rear end is formed with a central axially-extended slightlytapered recess or chamber, while an inclosing jacket m of steel, nickelorother hard metal, incloses the outer surfaces of the bullet andoverlaps the edge of the inner end thereof'as at m The center of gravityof the bullet a is well toward its outer or forward extremity.

The auxiliary bullet]; is formed with a central tapering post orprojection extending forwardly and designed to lit in and beaccommodated by the recess of the bullet a when the two are positionedwithin a cartridge shell, as shown in Figs. 3 and 4. The

m to about the same extent as the jacket m overlaps the edge of theinner or rear face of the bullet at; The center of gravity of the bulletb is thus at the rear or what I have termed the body portion thereof.The post or projection of bullet b constitutes a piercing contact inaddition to its oflice of holding the two bullets in the desiredrelative positions. This post, however, does not cause the parts to bindtogether but enables them toreadily separate.

From the foregoing it will be apparent that the differences in therelative locations of the centers of gravity of the two bullets willcause them to take differing trajectories, that of the bullet I) having,in practice, a tendency to deviate laterally from the trajectory ofbullet a owing to the air resistance on the front shoulders, while thebullet a or projectile proper will follow the trajectory of theprecision shot.

- It is of importance to the successful operation of projectiles of thistype that thebullets shall separate promptly and with certainty and thusavoid their retardation.

This is not always possible owing to the fact that in the firing the twobullets become jammed cut therefrom forming a'flat surface 5h Thepurpose of this is to promote the deviation of bullet b from thetrajectory of bullet a by imparting an eccentric gyratory movement.

While I have illustrated the cartridge provided with but two bullets, itis obvious that any number may be employed, each of the bullets intherearward succession having such disposition of weight as to insure itsseparate trajectory.

I claim as my Invention:

1. In a projectile, a cartridge shell, and aplurality of bulletscontained therein ;designed to gyrate in their fhghts, the forwardbullet having a recess at its inner end and a contact surfacesurrounding said recess, and

the next succeeding bullet having a forward post or projection fitted insaid recess and having an angular shoulder surrounding said post anddesigned to bear against said contact surface.

2. In a projectile, a cartridge shell, and a plurality of bulletscontained therein designed to gyrate in their flights, the forwardbullet having a recess at its inner end and a metallic jacket inclosingsaid bullet and overlapping the edge of the inner end thereof, and thenext succeeding bullet having a for- Ward post or projection fitted insaid recess and having a peripheral shoulder at the base of said post,and a metallic jacket inclosing said second bullet and overlapping theforward edge of said shoulder.

3. In a projectile, two bullets in tandem arrangement, the forwardbullet having a circular tapered bore at its inner end, and the secondbullet having a circular conical post fitting in said bore, thecircularity of said post being interrupted by a fiat surface, whereby arecess is provided between said post and the Wall of said bore.

4. In a projectile of the class described, a shell or casing, twobullets therein in tandem arrangement and abutting surfaces of hardmetal intermediate said bullets In testimony whereof I have signed my

